Page:EB1911 - Volume 26.djvu/104

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Plate II.
SUN
1905, Jan. 30d. 12h. 8m. 27s. 1905, Jan. 31d. 11h. 17m. 27s.
1905, Feb. 2d. 10h. 50m. 28s. 1905, Feb. 8d. 13h. 3m. 5s.

PHOTOGRAPHS OF THE SUN, TAKEN AT THE ROYAL OBSERVATORY, GREENWICH.

Observer: E. W. Maunder. Instrument, Thompson Photoheliograph. Focal Length, 9ft. Aperture, 9 in.